1840040304 has 20 divisors (see below), whose sum is σ = 4753437576. Its totient is φ = 613346752.

The previous prime is 1840040297. The next prime is 1840040317. The reversal of 1840040304 is 4030400481.

1840040304 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19167039 + ... + 19167134.

Almost surely, 2^1840040304 is an apocalyptic number.

It is an amenable number.

1840040304 is an abundant number, since it is smaller than the sum of its proper divisors (2913397272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1840040304 is a wasteful number, since it uses less digits than its factorization.

1840040304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38334184 (or 38334178 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1840040304 is about 42895.6909724042. The cubic root of 1840040304 is about 1225.3940820678.

Adding to 1840040304 its reverse (4030400481), we get a palindrome (5870440785).

The spelling of 1840040304 in words is "one billion, eight hundred forty million, forty thousand, three hundred four".